@INPROCEEDINGS{NavaraLasCruces99A,
  IS =     { zkontrolovano 11 Jan 00 },
  MYNOTE =   { S1998, A1998, },
  AUTHOR =   {Navara, Mirko},
  EDITOR =   {M.~Gehrke and J.~Harding},
  TITLE =   { Varieties of orthomodular lattices determined by
                  measures },
  BOOKTITLE =   {Proc. 23rd Holiday Mathematics Symposium},
  YEAR =   {1999},
  MONTH =   {January},
  ORGANIZATION = {New Mexico State University, Las Cruces, USA},
  importance =   {1},
  psurl =   { [PostScript,
                  27k] },
  PUBLISHER =   { New Mexico State University },
  ADDRESS =   { Las Cruces, USA },
  PAGES =   { 9--10 },
  book_pages =   { 128 },
  venue =   { New Mexico State University, Las Cruces, USA },
  project =   { VZ98/013 },
}